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3 years ago

Why is this the answer??? Please explain

Mathematics

1 answer:

dolphi86 [110]3 years ago

4 0

You have to do pemdas method and combine all the like terms together

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Please help :( I don’t know this one:/

ipn [44]

Answer:

i think is D

Step-by-step explanation:

because 2×7=21

3×21=63

and the parent still going

4 0

3 years ago

Read 2 more answers

Make a table of values for the function rule. then graph the function. y=-x²+4

lakkis [162]

Answer:

check the attached picture

Step-by-step explanation:

Given function is $y=-x^2+4$ .

Now we need to make a table of values for the function rule then graph the function.

We are free to plug any values of x like -3,-2,-1,0,1,2,3,... etc becaues domain of polynomial function is all real numbers.

Let's plug x=1 into given function to find the y-value

$y=-x^2+4$

$y=-(1)^2+4$

$y=-1+4$

$y=3$

Hence the first point is (1,3).

Same way we can find few more points to complete the table then graph those points and connect them to get the final graph.

x y

-2 8

-1 5

0 4

1 5

2 8

5 0

4 years ago

How does the graph of the function f(x)=2x^3 - 1 differ from the graph of its parent function?

SOVA2 [1]

Answer:

here you go

Step-by-step explanation:

4 0

3 years ago

Bob won $800 at bingo last night.The first thing bob did was to take a cab to his mothers house.He gave the cab driver $20 and t

nirvana33 [79]

800-20 is 780. A third of 780 is 780(1/3) = 260. 780 - 260 = 520. 25% of $520 is 0.25(520) = 130. 520 - 130 = 390. One sixth of 390 is 390(1/6) = 65. 390 - 65 = 325. So, Bob kept $325 for himself.

6 0

4 years ago

Read 2 more answers

Train a leaves new york at 9am eastern time on monday, headed for los angeles at a constant rate of 40 miles per hour. on the sa

nlexa [21]

We can assume that B leaves Los Angeles not at noon but at 2pm Eastern Time, so 5 hours later than A leaves New York.

In 5 hours A covers 5*40=200 miles. So, A and B together should cover 3,000-200=2,800 miles.

Combined rate = 40 + 60 = 100 miles per hour.

To cover 2,800 miles they'll need 2,800/100=28 hours.

2pm Eastern Time on Monday + 28 hours = 6pm Eastern Time on Tuesday.

Answer: 6:00pm on Tuesday

7 0

4 years ago